Multivitamin & Multimineral [A-Z junior infusion preparation] is not physically compatible with alkaline solutions or moderately alkaline drugs such as Acetazolamide, Chlorothiazide sodium, Aminophylline, sodium bicarbonate or Tetracycline HCl, so they should not be mixed together. Folic acid is also reported to be unstable with calcium salts such as calcium gluconate.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.